Thanks Guys, For now , I discovered a much older DSP card (ver 2.x.x) works fine on the chassis if all other DSP cards are removed. tight but still allows a few people to connect while I figure out what's wrong with the cards or I can buy some new ones. Anyone has an idea of where I can lay hands on such E1 DSP cards? 'Tunde

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Message: 1 Date: Thu, 21 Oct 2004 10:12:09 -0600 From: "Cyrus Smith" <cyrus@mtio.net> Subject: Re: [USR-TC] Help on DSP busy! To: <usr-tc@mailman.xmission.com> Message-ID: <000f01c4b788$b7bdc8c0$4902a8c0@DellXPSB733r> Content-Type: text/plain; charset="iso-8859-1"

I don't know if this would apply to a E1 setup, our setup is a T1/D4 standard setting did not work, the switch I am connecting to is very old, I had to connect a cable directly to the dsp and configure via a CLI, I too had a similar problem, the change was "Answer to Supervision Delay" I pushed it out to "70".

(disclaimer) I am not a telco guy, and I think my local telco knows less than I do, I came up with this setting by trying everything.